It’s a predictable and sadly familiar cycle: A mass killing prompts calls for tighter federal gun control laws. Legislation is introduced to great fanfare, but it never gets passed, and then, after another deadly shooting spree, we do it all over again. Now, House Speaker Bob DeLeo says that on the heels of a recent mass murder in California, it’s time for Massachusetts to take action. 

Stop Handgun Violence founder John Rosenthal, whose billboard near Fenway Park has been tallying the number of people killed by guns for the past 19 years, talked about the gun bill and the sign's numbered days.